Cup & Mug Cleaning

The main difficulty is removing liquid film, product residue, biofilm, powder, and particles from internal container walls, necks, shoulders, bases, and narrow openings without damaging the surface, loading the brush, or carrying contamination back into the process.

The work happens in indoor wet area, commercial kitchen and household against coffee or tea film, milk residue, lipstick and mineral scale.

The part people get wrong: this is not one job. The same equipment carries several targets, each with a different opening and a different residue, and one brush rarely covers them all.

There are 5 distinct targets here, and the brush that suits one will usually not reach another.

What the equipment leaves you to work inside:

Rounded bottle brush, palm brush or soft block head with protected tip and controlled diameter.

How the brush is usually carried on the machine:

• Driven brush — use when liquid film, product residue, biofilm, powder, and particles needs repeatable scrubbing or controlled relative movement
• Passive or free-running brush — use for loose contamination and lower process complexity on internal container walls, necks, shoulders, bases, and narrow openings
• Localized hand, strip, or tube brush — use where only an edge, gap, port, or maintenance point needs contact

In practical brush terms: match the construction to the access before anything else. A geometry that cannot reach the target will not be rescued by a better filament.

Soft nylon or PBT, silicone, sponge or selected natural fiber; abrasive or wire fill is normally excluded from finished drinkware.

What the duty rules out before you start comparing grades:

Start from the finish rather than the soil — drinkware is scratched far more often than it is under-cleaned — then size the head to the rim and the base radius.

The order that avoids rework:

1. Identify the target part and measure the access opening or clearance
2. Describe the residue: what it is, how thick it sits, and how strongly it holds
3. Choose the construction that can physically reach that target
4. Set the filament from surface risk, working temperature and cleaning chemistry
5. Fix filament diameter, free trim length and density for the contact pressure you need
6. Run one cycle and check the result before committing to a production quantity

Before you commit to a quantity, send the rim diameter, the internal depth and the base radius, plus which finish the brush will touch: glass, ceramic, coated stainless or plastic.

A dishwasher does more for volume drinkware than any brush, and scale inside a kettle or an insulated body dissolves in a descaling acid rather than coming off under contact. Keep the brush for the lid groove, the stem and the base corner, which is where the spray arc never lands.

• Treating drinkware as one item, when a lid groove, a stem and an insulated base each need a different head
• Changing brush material while leaving excessive engagement, poor alignment, or no discharge path unchanged
• Copying a worn brush without recording motion, direction, mounting, and the original working diameter

If the brush is already in service and the result is wrong, work from the symptom: